.function_content{
    padding-top: 5vw;
      background-color: #f5f5f5;
}

.parent{
    display: flex;
   align-items: center;     /* 垂直居中 */
}

.child{
    flex:1;
    height: 30vw;
    text-align: center;
    margin: 1vw;
  
}

.parent:hover .child{
    /* height: 21vw; */
    background-color: rgb(102, 83, 83);
    width: 100vw;
}

.icon_img{
    width: 15vw;
}

.service_content{
    padding-top: 1vw;
      background-color: #D9D9D9;
}
.service_child{

    flex:1;
    height: 30vw;
    text-align: center;
    margin-top: 3vw;
  
}
.service_title{
    font-size: 10px;
}